(* Copyright (C) 2005, 2006 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)
MODULE set6 ;


TYPE
   colour = (red, blue, green) ;
   ColourSet = SET OF [red..green] ;

PROCEDURE first (c: ColourSet) ;
BEGIN
   IF red IN c
   THEN

   END   
END first ;


VAR
   s: ColourSet ;
BEGIN
   s := ColourSet{red, green} ;
   first(s) ;
   s := ColourSet{red, blue} ;
   s := ColourSet{red, blue, green}
END set6.
